[mythtv-users] LIRC IRSEND - Channel changing not working

[Don Brett]

On 2/12/2012 7:41 AM, Steven wrote:
> Hello,
>
> I've tried unsuccessfully to fix this issue the last few weeks.
>
> I am using Mythbuntu 11.10 and trying to get a USB-UIRT and Comcast 
> DTA working.
>
> I followed the directions here: http://regx.dgswa.com/html/node/134
>
> Today after spending hours on it, I got the point where IRSEND is not 
> producing an error, and the light is going off on my USB-UIRT 
> transmitter, and I confirmed with a camera that it is indeed sending.  
> Problem is the signals are not being received by the box, or they are 
> the wrong signals.  IRECORD is not working for me, which seems to be a 
> common problem.
>
> I am using this lirc.conf file:
> http://lirc.sourceforge.net/remotes/motorola/DTA100
>
> And here is part of my lirc hardware.conf file:
> #Chosen Remote Control
> REMOTE="Windows Media Center Transceivers/Remotes (all)"
> REMOTE_MODULES=""
> REMOTE_DRIVER="uirt2_raw"
> REMOTE_DEVICE="/dev/ttyUSB0"
> REMOTE_SOCKET=""
> REMOTE_LIRCD_CONF="mceusb/lircd.conf.mceusb"
> REMOTE_LIRCD_ARGS="-l"
>
> #Chosen IR Transmitter
> TRANSMITTER="USB-UIRT2 : Motorola Cable box"
> TRANSMITTER_MODULES=""
> TRANSMITTER_DRIVER="uirt2_raw"
> TRANSMITTER_DEVICE="/dev/ttyUSB0"
> TRANSMITTER_SOCKET=""
> TRANSMITTER_LIRCD_CONF="/usr/share/lirc/pace2.conf"
> TRANSMITTER_LIRCD_ARGS=""
>
> Anyone know how I can finally get this working?  Happy to provide any 
> other files that would be useful.
>
>
>
>
>
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I'm not an expert, but I'll give it a try; my daughter's comcast system 
has the DC50X, so I'm a little familiar with that guide.  What part of 
the procedure did you stop on?  It sounds like the remote-control works; 
I assume you confirmed it with irw?

If every button-press of the remote results in something coming out of 
the transmitter, you might be right about the commands being mixed up; 
which would point to this:

/usr/share/lirc/transmitters/pace/pace.conf

or, this

include /usr/share/lirc/transmitters/pace/pace.conf

You mentioned irrecord.  What are your using it for?  I thought irrecord 
was used to capture commands, but don't you already have that?  By the 
way, I recall reading that the DC50X used a whole different protocol 
than traditional cable boxes, but the guide doesn't seem to be concerned 
about that.


If interested, here's the Tivo thread that discusses the protocol:
http://forums.tivo.com/pe/action/forums/displaythread?rootPostID=10412354

Protocol site:
http://www.uei.com/html.php?page_id=89

Remote Central discussion about the DC50X:
http://www.remotecentral.com/cgi-bin/mboard/rc-touch/thread.cgi?3576

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